Probing the material properties and phase transitions of ferroelectric liquid crystals by determination of the Landau potential.

Abstract

The full Landau potential of several, widely varying ferroelectric liquid-crystalline materials has been experimentally determined. Tilt angle and polarisation data is analysed across the SmA to SmC transition for varying applied electric-field amplitudes, allowing the determination of all the coefficients of the generalised Landau model of ferroelectric… (More)
DOI: 10.1140/epje/i2007-10302-5

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